package com.atguigu.gulimall.order.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

@Configuration
public class GuliFeignConfig {
    @Bean
    public RequestInterceptor requestInterceptor() {
        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate requestTemplate) {
                // 拿到请求信息
                ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
                if(attributes!=null){
                    HttpServletRequest request = attributes.getRequest();
                    if (request != null) {
                        // 同步信息
                        String cookie = request.getHeader("Cookie");//老的青雀
                        requestTemplate.header("Cookie", cookie);//新的请求
                    }
                }
            }
        };
    }
}
